implement PWT buzzer driver The piece implemented here is the low-level driver component; there will also be a higher-level buzzer melody player service, to be implemented in RiViera land, that will be the sole caller of PWT API functions provided by the present driver.

1,$s/$CONDAT/condat/
1,$s/$GPF/gpf/
1,$s/$CDGINC/cdg-hybrid\/cdginc/
1,$s/$CDGPRIM/cdg-hybrid\/sap-inline/
1,$s/$ACI/g23m-aci/

1,$s/condat2/condat/
1,$s/gpf2/gpf/
1,$s/gpf3/gpf/
1,$s/ui3/ui/

w